Home / 3,261.32-4,884.42-1,612.72

Finding the Fourth Proportional to 3,261.32, 4,884.42 and 1,612.72

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Solution

The fourth proportional to 3,261.32, 4,884.42 and 1,612.72 is: 2,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.32 : 4,884.42 = 1,612.72 : x
  2. Step 2: Convert to fraction form
    3,261.32/4,884.42 = 1,612.72/x
  3. Step 3: Cross multiply
    3,261.32x = 4,884.42 × 1,612.72
  4. Step 4: Simplify right side
    3,261.32x = 7,877,201.82
  5. Step 5: Solve for x
    x = 7,877,201.82/3,261.32
  6. Step 6: Final answer
    x = 2,415.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.